Hanging hook for a tool supporting rack



FIG. 1 is a perspective view of a hanging hook for a tool supportingrack showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown are included for the purpose of illustratingunclaimed portions of the article and form no part of the claimeddesign.

CLAIM The ornamental design for a hanging hook for a tool supportingrack, as shown and described.